Finding the Fourth Proportional to 2,598.69, 3,588.72 and 2,223.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,598.69 : 3,588.72 = 2,223.48 : x
2. Step 2: Convert to fraction form
   2,598.69/3,588.72 = 2,223.48/x
3. Step 3: Cross multiply
   2,598.69x = 3,588.72 × 2,223.48
4. Step 4: Simplify right side
   2,598.69x = 7,979,444.59
5. Step 5: Solve for x
   x = 7,979,444.59/2,598.69
6. Step 6: Final answer
   x = 3,070.56